* The base units for conversion may be either typed (with auto-completion) or selected from a list.
* Units may be selected using either an abbreviation or a full name.
* Units may be combined with the "*" and "/" operators.
* Units may be raised to powers with the "^" operator.
* Units with non-linear scales, such as temperature, can also be converted.
* A unit list may be filtered and searched.
* Numbers may be entered on either the "From" or the "To" units side, for conversions in both directions.
* Basic mathematical expressions may be entered in place of numbers.
* Options control the formatting of numerical results.
* The unit data includes over 400 units.
* The format of the unit data file makes it easy to add additional units.